#DevFestBerlin 2015

1. Beacons
MicroLocation, Context and The PhysicalWeb
A Selim Salman
plus.google.com/+ASelimSalman
aselims.github.io
twitter.com/A_SelimS

2. Diversified Android Engineer
Technology Evangelist
Interested about Ubiquitous Computing
selim.2k@gmail.com
aselims.github.io
@a_selims

3. Agenda
- Intro to Beacons
- Use Cases
- Workshop Coding
- Get the extra mile!

4. What is a Beacon?
- Beacons are simple devices that send one-way BLE signals.
- Estimote Beacon is a small computer. Its 32-bit ARM® Cortex M0 CPU is
accompanied by accelerometer, temperature sensor, and what is most
important—2.4 GHz radio using Bluetooth 4.0 Smart, also known as BLE or
Bluetooth low energy.
- Google's beacon platform enables contextual experiences for your users
through interactions with BLE

5. EcoSystem
QR code
RFID / NFC
Beacon
GPS
...
Location matters!

6. A Beacon
Bluetooth Smart (BLE)
40-50m
Pairing
Distance:
- Transmit power (TX)
- Signal strength (RSSi)
Blinking attitude ;)
70m

7. Use Case Scenarios
Estimote Image

8. Just imagine!
Google Image

9. Markup the world!
Google Image

10. Eddystone specification
● Open
● FrameType:
a. Eddystone-UID: An opaque unique ID. 0x00
b. Eddystone-URL: A compressed URL that, once parsed and decompressed, is directly usable
by the client. 0x10
c. Eddystone-TLM: A block of telemetry information containing beacon status and runtime
values. 0x20

11. Eddystone specification

12. Eddystone Beacons Manufacturer
And more…
Estimote

13. The Physical Web
Every device has a url
● a wirelessly broadcasted URL
● software on a device that detects and displays the URL when requested
Analogy:IPv6
Any BLE-enabled device can receive it!
https://play.google.com/store/apps/details?id=physical_web.org.physicalweb

14. Demo Time

15. Before we start
Minimum: Android 4.3 (Jelly Bean, API Level18)
Better: Android 5.0 (Lollipop, API Level 21) “LEScanner”
Be Aware: Android 6.0 (Marshmallow, API Level 23) “Permissions!”

16. Permissions
<!– Allow any Bluetooth communication -->
<uses-permission android:name="android.permission.BLUETOOTH"/>
<!– Allow device discovery -->
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>
<!– Allow location access for Android 6.0 Marshmallow (API Level 23) -->
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"
/>
Limit to BLE-capable devices (or check inside App instead):
<uses-feature android:name="android.hardware.bluetooth_le"
android:required="true“/>

17. Let us get it started!
Show me the Code

18. Links
https://developers.google.com/beacons/proximity/attachments
https://developers.google.com/nearby/
https://developers.google.com/beacons/proximity/
https://google.github.io/physical-web/
https://github.com/google/beacon-platform
https://github.com/google/beacon-platform/tree/master/samples/android
https://github.com/google/eddystone
http://developer.estimote.com/